Iton , C. W. Ardon, and Ewan Scott. “Traditional Retail Outlets or Supermarkets: A Probit Analysis of Shoppers in Trinidad and Tobago”. Applied Studies in Agribusiness and Commerce, vol. 10, no. 4-5, Dec. 2016, pp. 69-76, https://doi.org/10.19041/APSTRACT/2016/4-5/9.